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Wulndra
Diketahui: Tinggi = 22 cm Diameter = 7 cm Jari-jari = D/2 = 7/2 = 3,5 cm
Ditanya: a). Luas = ? b). Volum = ?
Jwab: a). Luas: L = 2 x x r² + 2 x x r x t L = 2 x 22/7 x 3,5² + 2 x 22/7 x 3,5 x 22 L = 2 x 22/7 x 12,25 + 2 x 22/7 x 3,5 x 22 L = 77 + 484 L = 561 cm²
b). Volume: V = x r² x t V = 22/7 x 3,5² x 22 V = 22/7 x 12,25 x 22 V = 847 cm³
Tinggi = 22 cm
Diameter = 7 cm
Jari-jari = D/2 = 7/2 = 3,5 cm
Ditanya:
a). Luas = ?
b). Volum = ?
Jwab:
a). Luas:
L = 2 x x r² + 2 x x r x t
L = 2 x 22/7 x 3,5² + 2 x 22/7 x 3,5 x 22
L = 2 x 22/7 x 12,25 + 2 x 22/7 x 3,5 x 22
L = 77 + 484
L = 561 cm²
b). Volume:
V = x r² x t
V = 22/7 x 3,5² x 22
V = 22/7 x 12,25 x 22
V = 847 cm³
Salam,,
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